Payment machine



FIG. 1 is a front perspective view of a payment machine;

FIG. 2 is a front-right side perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a back-left side perspective view thereof; and,

FIG. 6 is a back view thereof. 

CLAIM The ornamental design for a payment machine, substantially shown and described herein. 